Island



F. A. STEVENS.

OPHTHALMIC MOUNTING.

APPufmioN FILED lum/14,1919.

l 2@,555 Patented Nov. 4f, 1919.

i TE STATES @ANT @FFIQ FREDERICK ARTHUR STEVENS, OF PROVIDENCE, RHODE ISLAND, ASSIGNORTO STEVENS AND COMPANY, INCORPORATED, OF PROVIDENCE, RHODE ISLAND,

A CORPORATION OIF RHODE ISLAND.

OPHTHALMIC MOUNTING.

Specification of Letters Patent.

latented Nov. 4, 1919.

4T 0 all ywhom z't may concern.'

Be it`knoivn that I, FinmnnrCK ARTHUR STEVENS, a citizen of the United States, re-

siding at Providence, in the county of Providence and State of Rhode Island, have 1n- ',vented a new and useful Improvement in Ophthalmic Mountings, of which the following is a specification.

My invention has reference to an improvement in optical instruments and more particularly to an improvement in ophthalmic mountings as used on spectacles, eye-glasses yand the like.

' objectionable, as the rims cannot be strengthy cned by breaking joints at the temples and inmpening the rims to lreceive the lens, the temples may drop out dr vice versa.

The object of my i vention is to improve the construction of spectacles, eye-glasses and the like having` shell lor Celluloid rims, whereby such rims are greatly strengthened, assembling of the'parts facilitated and the cost reduced.

A further object of my invention is to construct suchv an ophthalmic mounting, whereby the rinrjoint is concealed 4and over size lenses may be secured in the rim, without the more or less open joint being seen.

My invention consists in the peculiar and novel construction of ophthalmic mountings as applied to spectacles, eye-glasses and the like, said ophthalmic mountings having details of construction, as will be more fully set forth hereinafter and clahnedfv Figure 1 is an enlarged rear view showing the right-hand portion of a spectacle frame provided withmy improved mounting.

Fig. 2 is an enlarged edge sectional viewl of the rim taken on line 2, 2 of Fig. 1.

Fig. 3 is a sectional view'similar to Fig. 2

taken on line 3, 3 of Fig. l.

Fig. t is a still further enlarged detail 'longitudinal sectional View, taken on 'line 4|, 4 of Fig. 2. v

Fig. 5 is an enlarged det-an sectional view taken on line 5, 5 of Fig. 1, and

Fig. 6 is a greatly enlarged detail transverse sectional view taken on-line (i, (i of Fig. 1.

1n the drawings 7 indicates, the temple, S the bridge, 9 the non-metallic rim, 1() the metal reinforcingmember and 11 the lens. The rim 9 is formed of a non-metallic material such as Celluloid and the reinforcing member 10 is of metal. The rim 9 issplit transversely forming the abutting ends 12, 12 and has a circular V shaped groove 13 for the lens 11, in itsA inner circumference, and a rectangular shaped groove 11 extending in from the rear edge of the rim for the reinforcing member 10. An end piece 15 which pivot-ally supports the temple 7, is secured at this point .to the reinforcing member 10. As shown in Figs. l, 4, 5, and G the reinforcing memberA 10 is in the form of a circular band shaped to fit in, and is driven into the groove 14 in the rim, and has the abutting end 16, 16 ofi' set from and which overlap or break joints with the abutting ends'l2, 12 of the non-metallic rim 9 thereby reinforcing and strengthening the weak non-metallic rim at this point. fastening membery 17 has an internally screw-threaded part 18 secured to the overlapping abutting end 16 and a tubular part 19 secured to the other abutting end 16 and a screw 20 which extends through the tubular part 19 and screws into the part 18, as

shown in Fig. 5, the fastening member lyingl j its weakest place, and concealing the rim joint. The end of the'brid-ge. 8 extends through a hole -22 in the shield, through a collar 23 intermediate the shield and the reinforcing member 10 and has a reducedl end 24 which extends into a hole 25 in the reinforcing member 10 where itis rigidly secured by riveting or soldering the end 24 to the reinforcing member 10 as shown in F 1g. 6.

By this construction the comparatively` weak non-metallic rimv is materially strengthened at its weakest place 'both circumferentially and laterally, the more or less open rim )oint is concealed 'by the shield, the bridge rigidly secured to the metal reinforcing member, which heilig at the Aear of the rim, is practically concealed when in use as is also the fastening member, and ,standard or out size lenses may be secured in the rim, independent of the means for pivotally securing the temple to the rim.

It is evident that my improved ophthalmic mounting is equally applicable to eyeglasses, lorgnettes or the like, and that the details of construction could be varied Within the scope of the appended claims.

Having thus described my invention, I claim as new 1. An ophthalmic mount-ing comprising a two part rim, onepart of a non-metallic material and having abutting ends, and the other part of metal embedded in the noniiietallc part and having abutting ends which overlap the abuting ends of the nona lens- 1n- 4the rmi and means for drawing t ie abutting metallic part, means for holdin ends of the metal part of the rim toward each other and simultaneously drawing the abuttin'g ends of the non-inetallic part of the rim toward each other to secure the lens in the rim, whereby the ends of the non-metallic part of the rim are strengthened and held in place by the overlapping ends of the metal part of the rim.

2. An ophthalmic mounting comprising a non-metallic rim havin abutting ends, a lens groove in its inner circumference, and a groove in its circumferential edge, a metal reinforcing member in the last mentioned groove and having abutting ends which overlap the abutting ends of the non-metallic rim, means for drawing the ends of the reinforcing member toward each other and simultaneously drawing the ends of the nonmetallic rim toward each other to secure a lens inthe rim, whereby the ends of the nonmetallic rim aie strengthened and held in place by the overlapping ends of the metal reinforcing member.

3. An ophthalmic mounting comprising a non-metallic rim having la lens groove in its innei` edge, a groove in its rear edge and abutting ends, a metal reinforcing member i the lastl mentioned groove a'nd havingv allliutting ends which break joints with the. f

ei'lds of the rim, a shield secured to the reinfoi'cing member and which extends over laterally by the overlapping ends of the metal reinforcing member and the shield.

1t. An ophthalmic mounting comprising a non-metallic rim1liavingila lens groove, a rectangular shaped4 groove in its rear edge and abutting ends, a metallic reinforcing member in'the last mentioned groove and having abutting ends which' break joints with the ends of the rim, a shield secured to the reinforcing member and which extends over and covers the ends of the rim and the ends of thel reinforcing member,

lugs on'the ends of the reinforcing member,

a screw extending through one lug and in screw-thread engagement with the other lug, whereby the ends of the rim and the ends of the reinforcing member maybe simultaneously drawn toward each other to secure a lens .in the rim, and the ends of the rim are greatly strengthened and are held inplace against circumferential and lateral movements.

5. An ophthalmic mounting comprising a non-metallic rim having abutting ends, a

lens groove and a groove in its rear edge, a

metallic reinforcing member in the rear edge groove and having abutting ends which overlap the abutting vends of the rim, a shield secured to one end of the reinforcing member and 'which extends over and conceals the ends of the rim and reinforcing member, a collar inthe rim, a member extending through a hole in the shield and` the collar and secured to the reinforcing member, means onthe ends of the reinforcing member whereby the ends of the reinforcing memberA and the ends of the rim are simultaneously drawn toward each other to secure a lens in the riin' and the *abuttin ends of the rim 'are greatly strengthened and are held in place against circumferential and lateral movements, and the open joint of the rim is concealed by the shield. In testimony whereof, I have signed my name to this specification.

FREDERICK ARTHUR s'rENs. 

